摘要
桥梁加固设计方案的选择既是一个技术问题,更是一个经济问题,目前还没有较为成熟和系统的方法。运用工程经济学的基本原理,对既有桥梁加固在其寿命周期内可能产生的各项费用进行了详细的对比分析,建立了桥梁技术改造的经济分析比选模型,提出了基于寿命周期成本的桥梁加固的经济评价方法。列举实例说明方案比选过程,由计算结果可知该方法能较准确地反映桥梁加固工程的经济效果,能够为既有桥梁改造方案的合理选择提供参考。
The choice of bridge strengthening design is more an economic question than a technical question. But so far there is no systemic solution. Using the basic principles of engineering economics, the comparative analysis of each cost item for bridge reinforcement in life cycle was conducted. The economic analysis comparative model of the bridge reinforcement was established. The economic assessment method for bridge strengthening based on life cycle cost was put forward. The comparative process was illustrated by an example. The calculation results indicate that this method can exactly evaluate the economic results of bridge strengthening and provide references to select reasonable reconstruction scheme for the existing bridge.
出处
《建筑管理现代化》
2009年第2期168-171,共4页
Construction Management Modernization
关键词
桥梁加固
寿命周期
比选模型
经济评价方法
bridge strengthening
life cycle
comparative model
economic assessment method
